Smoking in combination with antibodies to cyclic citrullinated peptides is associated with persistently high levels of survivin in early rheumatoid arthritis: a prospective cohort study

Table 2 Individual measurements of survivin, rheumatoid factor and antibodies against cyclic citrullinated peptides in the randomly selected serum samples used for evaluation of the serum survivin enzyme-linked immunosorbent assay^a

Serum pools, sample no			RF (IU/ml)		CCP (IU/ml)		Survivin (ng/ml)
Serum pools, sample no				Mean		Mean		Mean
A	RF^-	1	0	0	0	0	7.45	20.3
	aCCP^-	2	0		0		40.7
	Surv⁺	3	0		0		35.4
		4	0		0		8.07
		5	0		0		9.95
B	RF⁺	6	160	120	0	0	0	0
	aCCP^-	7	83		0		0
	Surv^-	8	240		0		0
		9	65		0		0
		10	50		0		0
C	RF⁺	11	160	202	480	534	0	0
	aCCP⁺	12	140		590		0
	Surv^-	13	220		51		0
		14	390		48		0
		15	100		1500		0
D	RF^-	16	0	0	0	0	0	0
	aCCP^-	17	0		0		0
	Surv^-	18	0		0		0
		19	0		0		0
		20	0		0		0

^aaCCP, antibodies against cyclic citrullinated peptide; RF, rheumatoid factor; Surv, survivin.

ISSN: 1478-6362